Periya Thoppu Ozone (O₃) Level
Chennai, Tamil Nadu, India
200ppb
Last Updated: 2026-07-19 05:51:01 (Local Time)
MapPeriya Thoppu
What is the Current O₃ Level?
Periya Thoppu
The current O₃ level at Periya Thoppu is 200 ppb so everyone should stay cautious in the area.
The current O₃ level in Periya Thoppu is 3.9x Above the recommended WHO guideline of 50.96 ppb.
AQI Graph
Historic Air Quality Graph of Ozone (O₃)
Periya Thoppu
Do you know that Ozone's total mass is 3 billion metric tons in the atmosphere? It looks like a lot but has only 0.00006% of the atmosphere. Besides, Ozone's peak concentration is 32 kilometres above the Earth's surface.
Uncovering the Sources of Ozone (O₃): Where Does It Come From?
Refineries
Industrial processes emit substances.
Power plants
Emissions from burning fossil fuels.
Paints evaporations
Vocs from paints react with sunlight.
Transportation
Diesel operated vehicles reacts and form ozone.Short-Term O₃ Exposure Impacts
Chest pain
Discomfort or pain in the chest due to respiratory stress.
Breathing shortness
Difficulty in breathing or feeling of breathlessness.
Respiratory irritation
Inflammation and irritation of the respiratory tract.
Wheezing and coughing
Whistling sound and persistent cough.
Trigger asthma attacks
Aggravation of asthma symptoms.Why you should care about Ozone (O₃)?
Know More About O₃ Sensor
Air Quality FAQs
at Periya Thoppu
Frequently Asked Questions About Air Quality
1. What is the current O₃ level in Periya Thoppu?
1. What is the current O₃ level in Periya Thoppu?
The current real-time O₃ level in Periya Thoppu is 200ppb (Unhealthy). This was last updated 2026-07-19 05:51:01 (Local Time).
2. When was the best O₃ level in Periya Thoppu in the last 24 hours?
2. When was the best O₃ level in Periya Thoppu in the last 24 hours?
The best O₃ level was 26 ppb (Good) at 9:31 AM, Jul 18, 2026 (Local Time) during the last 24 hours.
3. When was the worst O₃ level in Periya Thoppu in the last 24 hours?
3. When was the worst O₃ level in Periya Thoppu in the last 24 hours?
The worst O₃ level was 200 ppb (Unhealthy) at 6:01 AM, Jul 18, 2026 (Local Time) during the last 24 hours.
4. What is the current trend of O₃ levels in Periya Thoppu during last 24 hours?
4. What is the current trend of O₃ levels in Periya Thoppu during last 24 hours?
The O₃ levels in Periya Thoppu have been fluctuating throughout the last 24 hours. The levels have increased by highest 200 ppb at 6:01 AM, Jul 18, 2026 (Local Time), lowest 26 ppb at 9:31 AM, Jul 18, 2026 (Local Time).
5. What actions are recommended as per the current O₃ level in Periya Thoppu?
5. What actions are recommended as per the current O₃ level in Periya Thoppu?
Current O₃ levels are unhealthy for everyone. It's advised to limit outdoor activities and consider using air purifiers indoors.
